A look inside the N1201SA VNA

When working on antenna projects a VNA is essential. In the field you not want to carry tons of lab equipment, so I got myself a N1201SA. My initial expectations were low. Very low. Practically it has proven to be a very handy tool, exact enough for most of HAM related projects. We’ve done some benchmark tests, comparing the S11 results to the measurements of some serious lab equipment. The results were close in in 70cm and 2m band.

Rule #1: Don’t switch it on, take it apart! First let’s take a sneak inside: